194 [ NovEMBER, 
This and the preceding are distinguished from T. thoracica, Morton, by their 
greater length compared with their breadth, as well as by the more round ribs. 
8. Carpira TRaPEezium: shell rhomboidal, cordate ventricose, ribs acute, 
erossed by coarse incremental lines. 
Dimen. Length 2:25 in.; br. 2 in.; ht. 2 in. 
This shell differs from C. alticosta, Con. in outline, as well as in being more 
ventricose, and having less prominent ribs. 
9. Cucunim#a L&vIS: shell smooth or marked by increment lines, ribs none ; 
umbones ventricose; beaks nearly central; hinge area wide; plate of anterior 
muscular impression extending from the beaks to the margin, wide. 
Dimen. Length 4:25in.; br. 3:5 in. 
This fossil can be distinguished from C. vulgaris, which it Ce by the 
smocth exterior, and deep and long muscular impression. 
10. Arca canceLLata: shell thin, very inequilateral, cancellated by radiating 
lines and approximating transverse lines; umbones prominent; beaks close; 
hinge-line slightly curved; posterior margin rounded, compressed; anterior 
margin much contracted. 
Dimen. Length 2°5 in.; br. 3-5 in. 
The Committee on the following paper by Dr. Woodhouse, reported in 
favor of publication in the Proceedings. 
Description of anew species of Numineus (Moehr.) 
By 8. W. Woopuotse, M.D. 
NUMINEUS OCCIDENTALIS. 
Form. In general form and color, this bird is much like N. longirostris, 
Wilson. The color, however, is much lighter and more rufous, the bill short 
and very slender, the primaries are more pointed; their inner web is not so 
broad. Wings extend about half an inch beyond the tail. Toes short and 
slender. . 
Inches. 
Dimensions. Total length of skin - - - 16 3-10ths. 
Length of bill along the iets. - - 42-10ths. 
Wing from flexure - - - - 11 5-10ths. 
Length of tarsus - - - - - 2 8-10ths. 
“6 middle toe’ - - - - 1 33-10ths. 
c¢ naked space of tibia - - 1 6-10ths. 
Color. Feathers of the top of the head have a broad central line of blackish 
brown, terminating on either side by whitish brown; neek light reddish brown, 
the shaft of eachfeather being black and terminating by a broad blackish-brown 
spot. Those of the hind part of the neck have the central line of black much 
broader. Chin white. Back black with irregular markings of reddish brown, form- 
ing spots; these, as they approach the rump,become more reddish, and are broader, 
having much the appearance of bands. Upper tail coverts. reddish brown; 
shafts black, with transverse’ black bands. The tail is slightly rounded, and 
consists of twelve feathers of a reddish brown color, with ten transverse black 
bands. Under coverts reddish brown. Belly and thighs light reddish brown. 
Sides reddish brown, with irregular blackish brown zigzag lines. The shaft of 
the first primary is white; the outer webs of the first three are black; of the 
fourth slightly mottled with reddish brown; on their inner webs reddish, 
mixed with irregular lines of brown; the remainder of the primaries are red- 
dish brown, with zigzag transverse bars of black. The secondaries and tertials 
are more black, the bands being confluent in the middle. Under plumage, long 
